I cheated wearing my Janitor hat and looked at the raw text for the OP's node - the data is one pair per line as implied by the OP's code, but without code tags gets flattened into a single line inside p tags.

Premature optimization is the root of all job security

In reply to Re^3: plotting roc curve using roc package by GrandFather
in thread plotting roc curve using roc package by numita

Title:
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